Impfcheck https://www.infektionsschutz.de/ar/impfchecks/grippe-impfcheck/impfcheck/?tx_clickflow_flow%5Baction%5D=next&tx_clickflow_flow%5Bcontroller%5D=Flow&tx_clickflow_flow%5Bstep%5D=2&cHash=4469d5aac399f5ac3035e3ccf585d572
IP address (will be immediately anonymized), Device type, device brand, device model
